Vacuum cleaner



FIG. 1 is a right side perspective view from the front of a vacuum cleaner showing a first embodiment of our new design;

FIG. 2 is a front elevational view of the first embodiment;

FIG. 3 is a right elevational view of the first embodiment;

FIG. 4 is a rear elevational view of the first embodiment;

FIG. 5 is a left elevational view of the first embodiment;

FIG. 6 is a top plan view of the first embodiment;

FIG. 7 is a bottom plan view of the first embodiment;

FIG. 8 is a right side perspective view from the front of a vacuum cleaner showing a second embodiment thereof;

FIG. 9 is a front elevational view of the second embodiment;

FIG. 10 is a rear elevational view of the second embodiment;

FIG. 11 is a left elevational view of the second embodiment;

FIG. 12 is a right elevational view of the second embodiment;

FIG. 13 is a top plan view of the second embodiment; and,

FIG. 14 is a bottom plan view of the second embodiment. 

The ornamental design for a vacuum cleaner, as shown and described. 